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lord [1]
4 years ago
7

Solve each proportion. Show your work

Mathematics
2 answers:
Agata [3.3K]4 years ago
7 0
A)
2x/7 = 12/14
x=6

I don't know b i am sorry
natta225 [31]4 years ago
4 0
(2x)/7 = 12/14
cross multiply
(2x)(14) = (7)(12)
28x = 84
x = 84/28
x = 3

3 / (x - 1) = 5/7
cross multiply
5(x-1) = (7)(3)
5x - 5 = 21
5x = 21 + 5
5x = 26
x = 26/5 or 5.2





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